Smooth projective varieties dominated by smooth quadric hypersurfaces in any characteristic.
Koji Cho, Eiichi Sato (1994)
Mathematische Zeitschrift
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Koji Cho, Eiichi Sato (1994)
Mathematische Zeitschrift
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Phillip Griffiths, Joseph Harris (1979)
Annales scientifiques de l'École Normale Supérieure
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Antonio Lanteri, Daniele Struppa (1987)
Compositio Mathematica
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Ballico, Edoardo (2002)
Advances in Geometry
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Flaminio Flamini (2004)
Collectanea Mathematica
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The main purpose of this paper is twofold. We first analyze in detail the meaningful geometric aspect of the method introduced in [12], concerning families of irreducible, nodal curves on a smooth, projective threefold X. This analysis gives some geometric interpretations not investigated in [12] and highlights several interesting connections with families of other singular geometric objects related to X and to other varieties. Then we use this method to study analogous problems for...
Scott Nollet (1998)
Collectanea Mathematica
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The purpose of this paper is twofold. First, we give an upper bound on the order of a multisecant line to an integral arithmetically Cohen-Macaulay subscheme in Pn of codimension two in terms of the Hilbert function. Secondly, we give an explicit description of the singular locus of the blow up of an arbitrary local ring at a complete intersection ideal. This description is used to refine a standard linking theorem. These results are tied together by the construction of sharp examples...
Edoardo Ballico (1990)
Compositio Mathematica
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Akivis, M.A., Goldberg, V.V. (1998)
Publications de l'Institut Mathématique. Nouvelle Série
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Chad Schoen (1993)
Compositio Mathematica
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